20111030444402 has 8 divisors (see below), whose sum is σ = 30170541787500. Its totient is φ = 10054183181904.

The previous prime is 20111030444389. The next prime is 20111030444443. The reversal of 20111030444402 is 20444403011102.

It can be written as a sum of positive squares in 2 ways, for example, as 19384903203241 + 726127241161 = 4402829^2 + 852131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20111030444402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666001277 + ... + 666031472.

Almost surely, 2^{20111030444402} is an apocalyptic number.

20111030444402 is a deficient number, since it is larger than the sum of its proper divisors (10059511343098).

20111030444402 is a wasteful number, since it uses less digits than its factorization.

20111030444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332040300.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20111030444402 its reverse (20444403011102), we get a palindrome (40555433455504).

The spelling of 20111030444402 in words is "twenty trillion, one hundred eleven billion, thirty million, four hundred forty-four thousand, four hundred two".